Finding the Fourth Proportional to 2,155.02, 3,227.94 and 1,629.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.02 : 3,227.94 = 1,629.23 : x
2. Step 2: Convert to fraction form
   2,155.02/3,227.94 = 1,629.23/x
3. Step 3: Cross multiply
   2,155.02x = 3,227.94 × 1,629.23
4. Step 4: Simplify right side
   2,155.02x = 5,259,040.55
5. Step 5: Solve for x
   x = 5,259,040.55/2,155.02
6. Step 6: Final answer
   x = 2,440.37